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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 11 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.51² =
  2. 2.34² =
  3. 3.17² =
  4. 4.56² =
  5. 5.95² =
  6. 6.69² =
  7. 7.23² =
  8. 8.65² =
  9. 9.81² =
  10. 10.59² =
  11. 11.29² =
  12. 12.53² =
  13. 13.88² =
  14. 14.39² =
  15. 15.82² =
  16. 16.57² =
  17. 17.42² =
  18. 18.75² =
  19. 19.29² =
  20. 20.79² =
  21. 21.14² =
  22. 22.88² =
  23. 23.95² =
  24. 24.71² =
  25. 25.16² =
  26. 26.28² =
  27. 27.35² =
  28. 28.67² =
  29. 29.59² =
  30. 30.29² =
  31. 31.71² =
  32. 32.76² =
  33. 33.57² =
  34. 34.48² =
  35. 35.71² =
  36. 36.67² =
  37. 37.32² =
  38. 38.14² =
  39. 39.79² =
  40. 40.85² =

Answer key

  1. 2601
  2. 1156
  3. 289
  4. 3136
  5. 9025
  6. 4761
  7. 529
  8. 4225
  9. 6561
  10. 3481
  11. 841
  12. 2809
  13. 7744
  14. 1521
  15. 6724
  16. 3249
  17. 1764
  18. 5625
  19. 841
  20. 6241
  21. 196
  22. 7744
  23. 9025
  24. 5041
  25. 256
  26. 784
  27. 1225
  28. 4489
  29. 3481
  30. 841
  31. 5041
  32. 5776
  33. 3249
  34. 2304
  35. 5041
  36. 4489
  37. 1024
  38. 196
  39. 6241
  40. 7225

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